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. 2015 May 12;6:314. doi: 10.3389/fpls.2015.00314

Figure 4.

Figure 4

Effect of water stress (WS), salt stress (SS), and their combination (WS+SS) on the (A,B) net CO2 assimilation (An) and (C,D) stomatal conductance (gs) and (E,F) PSII quantum efficiency (ΦPSII) for P26 (left) and B73 (right) genotype plants. Average ± SE values of An, gs, and ΦPSII are expressed as a proportion of the control. Arrows represent sampling times throughout the experimental period.